Marketplace · API · x402

myc-staging.crescadia.com/v1/paid/opportunities/:notice_id/delta

Detect material state changes with prior/current comparison, evidence, and provenance, applied to SAM.gov federal contract opportunities. Identify economically material deadline moves, solicitation amendments, attachment changes, set-aside, NAICS, status, and award changes. Returns an immutable before/after delta with materiality, reason codes, and provenance for procurement and capture agents.

Endpointhttps://myc-staging.crescadia.com/v1/paid/opportunities/:notice_id/delta
Trust100% uptime over 1 checks · ~513 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xc54cAF5be3660c0558700B7a64103904eC9c861C
methodGET
last updated2026-10-22T08:18:24.606Z

Use it

Call it (an x402 client pays automatically)

curl -i https://myc-staging.crescadia.com/v1/paid/opportunities/:notice_id/delta
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-a06a66326ef66cad

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}